20743307

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{613}}^1$

素因数の和:782

約数の個数: 16

約数和(自身を含む): 23724960

約数和(自身を除く): 2981653

約数列:

[1, 13, 19, 137, 247, 613, 1781, 2603, 7969, 11647, 33839, 83981, 151411, 1091753, 1595639, 20743307]

約数ペア:

[(1, 20743307), (13, 1595639), (19, 1091753), (137, 151411), (247, 83981), (613, 33839), (1781, 11647), (2603, 7969)]